arcsecond.io
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Multiple astronomy data sources
No keyCORSHTTPS
USGS Water Services
Water quality and level info for rivers and lakes
Verified 4 days ago: 100% uptime
API key
Not required
HTTPS
Supported
Browser calls
Yes, CORS enabled
Status
Live · 100/100
What our checks found
- Health score
- 100/100
- Reliability
- 100%
- Average latency
- 1704ms
Last checked 2026-09-18. Measured independently, not self-reported by the provider.
How to call it
A starting template for USGS Water Services. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.
# No authentication required.
curl -s "https://waterservices.usgs.gov/ENDPOINT" \
-H "Accept: application/json"Where this listing comes from
Aggregated from 2 public sources (public-api-lists, public-apis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.
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USGS Water Services — common questions
Answered from what our own scheduled checks found, not from the provider's marketing.
Is USGS Water Services free to use?
USGS Water Services is listed in our free catalogue and required no credential when we called it. It needs no authentication at all, so you can send a request without signing up. Free tiers can still carry rate limits or non-commercial terms, so check the provider's own terms before shipping.
Does USGS Water Services need an API key?
No. We called USGS Water Services on 2026-09-18 with no key, no token and no Authorization header, and it responded. That is what puts it in our no-key collection.
Can I call USGS Water Services from browser JavaScript?
Yes. USGS Water Services returned CORS headers when we checked it, so a browser will let your page read the response. You can fetch it directly from client-side JavaScript with no proxy and no backend.
Is USGS Water Services still working?
Yes, as of 2026-09-18. Our automated check reached USGS Water Services and recorded a 100% reliability score with a median response time of 1704 ms. We re-check on a schedule, and this page updates with the result.
Is USGS Water Services available over HTTPS?
Yes. USGS Water Services serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.